Chapter 1. Tutorial: Two-Way Tables

Problem Statement

{125,140,141,144,163,167,173,180,184,191}
rand(0,9)
184[8]
{429,444,445,448,467,471,477,484,488,495}
488[8]
{210,225,226,230,248,252,258,265,269,276}
269[8]
{429,444,445,448,467,471,477,484,488,495}
488[8]
{49,51,51,51,53,54,54,55,55,56}
55[8]
{219,234,235,239,257,261,267,274,278,285}
278[8]
{429,444,445,448,467,471,477,484,488,495}
488[8]
{51,53,53,53,55,55,56,57,57,58}
57[8]
{125,140,141,144,163,167,173,180,184,191}
184[8]
{29,32,32,32,35,35,36,37,38,39}
38[8]

A survey was conducted of students asking about their usage of marijuana in the last year (Never, Occasional, Regular) and the amount of alcohol and/or marijuana usage by their parents (Neither, One, Both). Here is the raw data:

Parental Usage Student Usage Number of Students
Neither Never 184
Neither Occasional 54
Neither Regular 40
One Never 68
One Occasional 44
One Regular 51
Both Never 17
Both Occasional 11
Both Regular 19
Table

A two-way table was created of the data above:

(g) (g) (g)
(d) (e) (f)
(h) (a) 184 54 40
(b) 68 44 51
(c) 17 11 19
Table

Step 1

questions

Question 1

The total number of students surveyed is ________.
Correct.
Incorrect.

Step 2

Question 4

The row entry (a) should be labeled as .

Correct.
Incorrect.

Step 3

Here is the filled in two-way table of the data:

Student Usage
Never Occasional Regular
Parental Usage Neither 184 54 40
One 68 44 51
Both 17 11 19
Table

Question 10

The total number of students who answered “never” to the marijuana usage question is ______.
Correct.
Incorrect.